| High-Impact 2.2mm Polycarbonate: Constructed from 2.2mm thick, ballistic-grade polycarbonate (Model 740-0320) designed for superior impact resistance within the ESS CDI frame system. Neutral Smoke Gray Tint: Engineered for medium-to-bright light conditions, providing neutral color reproduction and significant glare reduction without distorting natural colors. Lateral Exchange System Compatibility: Precision-cut for the CDI "Medium Fit" frame, allowing for rapid, tool-free lens interchangeability via the integrated side-loading architecture. | Full UV Protection & Clarity: Features 100% UVA/UVB protection and distortion-free optical clarity across the entire field of view for professional-grade performance. Technical Replacement Set: Sold as a matched pair of high-performance replacement lenses for existing frames; please note that the CDI sunglass frame is sold separately. |